Brother P-touch, PTD450, PC-Connectable Label Maker, Split-Back Tapes, 7 Font Sizes, One-Touch Keys, Black PC-CONNECTABLE LABEL MAKER: The Brother P-touch PT-D450 can be used stand-alone or connected to a PC or Mac for added design capability. ONE-TOUCH KEYS: The single-touch keys permit users to add frames and other formatting features with a single action. MULTI-LINE LABELS: The Brother PTD450 can print labels with up to 5 lines of text and supports large character printing up to 7 font sizes. EASY-TO-USE KEYBOARD: This diverse label printer comes with a QWERTY keyboard that permits you to type characters simply. FOR USE WITH BROTHER GENUINE TAPES: Use Brother Genuine P-touch TZe tapes up to 18mm (approximately 3/4) for best performance.